Luggage bag problem in Shanghai

Hello guys,

I just arrived the city, my hotel is in new pudong area, tomorrow i want to go to national exhibition and convention center, my problem is after attending exhibition i have to travel from hongqiao station for another city, therefore can any one suggest me if i can store my full size bag anywhere near to exhibition center or hongqiao station so i could easily attend exhibition? I am very concern about this issue and i will be thankful for any help!!!!